Skip to main content
2 Day Free Trial! Multiple Monthly Giveaways 82,000+ Products at Wholesale Annual Giveaway - Win A Tacoma w/ A Belt-fed .50BMG 1,300+ Authorized Brands Members Get 20% Back On Holosun! 2 Day Free Trial! Multiple Monthly Giveaways 82,000+ Products at Wholesale Annual Giveaway - Win A Tacoma w/ A Belt-fed .50BMG 1,300+ Authorized Brands Members Get 20% Back On Holosun! 2 Day Free Trial! Multiple Monthly Giveaways 82,000+ Products at Wholesale Annual Giveaway - Win A Tacoma w/ A Belt-fed .50BMG 1,300+ Authorized Brands Members Get 20% Back On Holosun!
Announcements: 2 Day Free Trial. Multiple Monthly Giveaways. 82,000+ Products at Wholesale. Annual Giveaway. 1,300+ Authorized Brands. Members Get 20% Back On Holosun.
Filters
JK ARMAMENT UPC 850064482072 MPN JK155PISTON578X28

Jk Armament JK155PISTON578X28 Piston 45Cal .578″x28 Stainless Steel For Pistol

Member pricing
Members-only pricing

FDC members buy at dealer pricing. Join free to unlock the price and add this to your cart.

Try FDC free today
ShippingShipping rates are shown to FDC members.
Ships via our warehouseAdditional lead time required.
Secure checkout Authorized dealer Ships from our warehouse

Details

Precision machined from 17-4 PH stainless steel, JKs booster piston is the component that screws onto the threaded pistol barrel, mating suppressor and pistol together. The pistons are available in 1/2×28 threads (nearly all 9mm and some other pistols) and .578×28 threads (.45 ACP and some other larger-than-9mm pistol calibers).

Specifications

UPC

850064482072

Manufacturer

Manufacturer Part Number

JK155PISTON578X28

Thread Pattern

.578"x28

Shipping & Returns

All sales are final; we do not offer refunds or exchanges. Items that arrive damaged or defective are covered under the manufacturer's warranty — contact us within 5 days of delivery and we will help coordinate a claim.

×

Hazardous Materials (HAZMAT) Policy

×

NFA Suppressor Transfers — How This Works